Energy dependence of the 7Be(p, γ)8B S factor, and charge symmetry in the 7Li+n and 7Be+p systems

Frederick C. Barker

doi:10.1016/j.nuclphysa.2006.01.010

Energy dependence of the ⁷Be(p, γ)⁸B S factor, and charge symmetry in the ⁷Li+n and ⁷Be+p systems

Frederick C. Barker^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

Abstract

The measured energy dependence of the ⁷Be(p, γ)⁸B S factor is fitted better by the cluster-model calculation of Descouvemont and Baye than by other models. It is suggested here that this may be connected with the cluster model predicting too high an absolute value of the S factor. Evidence for a breakdown of charge symmetry between the ⁷Li+n and ⁷Be+p systems is discussed and found not to be convincing. R-matrix formulae are used.

Original language	English
Pages (from-to)	241-252
Number of pages	12
Journal	Nuclear Physics A
Volume	768
Issue number	3-4
DOIs	https://doi.org/10.1016/j.nuclphysa.2006.01.010
Publication status	Published - 3 Apr 2006

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10.1016/j.nuclphysa.2006.01.010

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abstract = "The measured energy dependence of the 7Be(p, γ)8B S factor is fitted better by the cluster-model calculation of Descouvemont and Baye than by other models. It is suggested here that this may be connected with the cluster model predicting too high an absolute value of the S factor. Evidence for a breakdown of charge symmetry between the 7Li+n and 7Be+p systems is discussed and found not to be convincing. R-matrix formulae are used.",

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N2 - The measured energy dependence of the 7Be(p, γ)8B S factor is fitted better by the cluster-model calculation of Descouvemont and Baye than by other models. It is suggested here that this may be connected with the cluster model predicting too high an absolute value of the S factor. Evidence for a breakdown of charge symmetry between the 7Li+n and 7Be+p systems is discussed and found not to be convincing. R-matrix formulae are used.

AB - The measured energy dependence of the 7Be(p, γ)8B S factor is fitted better by the cluster-model calculation of Descouvemont and Baye than by other models. It is suggested here that this may be connected with the cluster model predicting too high an absolute value of the S factor. Evidence for a breakdown of charge symmetry between the 7Li+n and 7Be+p systems is discussed and found not to be convincing. R-matrix formulae are used.

KW - Be(p, γ)B

KW - Charge symmetry

KW - R-matrix analysis

KW - S factor

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DO - 10.1016/j.nuclphysa.2006.01.010

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JO - Nuclear Physics A

JF - Nuclear Physics A

IS - 3-4

ER -

Energy dependence of the ⁷Be(p, γ)⁸B S factor, and charge symmetry in the ⁷Li+n and ⁷Be+p systems

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